Home / 26,099.17-39,135.78-8,327.50

Finding the Fourth Proportional to 26,099.17, 39,135.78 and 8,327.50

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Solution

The fourth proportional to 26,099.17, 39,135.78 and 8,327.50 is: 12,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.17 : 39,135.78 = 8,327.50 : x
  2. Step 2: Convert to fraction form
    26,099.17/39,135.78 = 8,327.50/x
  3. Step 3: Cross multiply
    26,099.17x = 39,135.78 × 8,327.50
  4. Step 4: Simplify right side
    26,099.17x = 325,903,127.80
  5. Step 5: Solve for x
    x = 325,903,127.80/26,099.17
  6. Step 6: Final answer
    x = 12,487.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.